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16GB RAM Replacement for HP 752369-MH1, 774172-001, 778268-B21, 778268-S21, 779144-001, 810745-S21, 812221-001, 817547-081, P0000746-001 | DDR4 2133MHz PC4-17000 ECC RDIMM 2Rx4 Server Memory
- 16GB ( 1x 16GB Module ) | DDR4 2133 MHz ( PC4-17000 ) | DDR4 DIMM ( 288-Pin ) | ECC RDIMM ( Registered DIMM ) | 1.2V - DDR4 Standard Voltage
- Compatible Equivalent for HP P0000746-001, 774172-001, 779144-001, 817547-081, 752369-MH1, 778268-S21, 810745-S21, 812221-001, 778268-B21
- High performance Memory RAM upgrade designed for Server/Workstation Systems
- All modules undergo quality assurance testing to ensure dependable and reliable performance | Please verify the supported memory (RAM) specifications of your system prior to purchase to ensure compatibility
- A-Tech provides a Lifetime Warranty for all orders & offers complimentary United States based Tech Support before, during, & after your purchase
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Overview
Specs
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An A-Tech Memory (RAM) upgrade is an easy, quick way to boost your system's performance by speeding up loading times, improving system responsiveness, and increasing your system's ability to handle higher workloads. Take on more and multitask with ease with a simple and affordable A-Tech Memory upgrade!
Compatible Memory Module Replacement for HP:
P0000746-001
774172-001
779144-001
817547-081
752369-MH1
778268-S21
810745-S21
812221-001
778268-B21
Memory Specs
Memory Size: 16 GB ( 1 x 16 GB Module )
Memory Type: DDR4
Form Factor: DIMM ( 288 Pin )
Speed: DDR4 2133 MHz ( PC4-17000 )
ECC Type: ECC RDIMM ( Registered DIMM )
Voltage: 1.2V
Ensured Reliability
All A-Tech Memory products are rigorously tested to ensure that your memory meets our stringent quality and performance standards.
Lifetime Warranty
Purchase with confidence knowing that all A-Tech orders are backed with our Lifetime Warranty.
US Based Technical Support
Need help? Have questions? Our 5 star United States based support team is here to help before, during, and after your purchase to make sure you are completely satisfied with your A-Tech Memory!
Compatible Memory Module Replacement for HP:
P0000746-001
774172-001
779144-001
817547-081
752369-MH1
778268-S21
810745-S21
812221-001
778268-B21
Memory Specs
Memory Size: 16 GB ( 1 x 16 GB Module )
Memory Type: DDR4
Form Factor: DIMM ( 288 Pin )
Speed: DDR4 2133 MHz ( PC4-17000 )
ECC Type: ECC RDIMM ( Registered DIMM )
Voltage: 1.2V
Ensured Reliability
All A-Tech Memory products are rigorously tested to ensure that your memory meets our stringent quality and performance standards.
Lifetime Warranty
Purchase with confidence knowing that all A-Tech orders are backed with our Lifetime Warranty.
US Based Technical Support
Need help? Have questions? Our 5 star United States based support team is here to help before, during, and after your purchase to make sure you are completely satisfied with your A-Tech Memory!
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
- CONTACT
Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by A-Tech Return Policy
Manufacturer Contact Info
- For a directory of all our manufacturers, please click below.
- Manufacturers Directory
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A-Tech 16GB DDR4-2133 ECC Registered DIMM server memory is a replacement or upgrade option for compatible HP servers and workstations, including systems using the listed HP part numbers; confirm your system supports 288-pin, 2Rx4 RDIMM memory before purchase.
Recommended For
- Owners of a compatible HPE ProLiant server replacing a failed 16GB DDR4-2133 registered DIMM or matching an existing module; HPE identifies part number 774172-001 as a 16GB, dual-rank x4 DDR4-2133 RDIMM.
- Homelab builders adding memory to a server that specifically supports DDR4 ECC RDIMMs and whose workload benefits from server-class registered memory, such as running several virtual machines or lab services.
- IT staff maintaining an older HPE server who need a single 16GB replacement or incremental capacity addition, after checking the server’s supported DIMM type and population rules.
- Workstation or server operators whose system documentation calls for a 288-pin DDR4-2133 ECC registered DIMM with matching rank and capacity, rather than simply any DDR4 module.
Real-World Use Scenarios
- Expanding a compatible HP ProLiant Gen9 host for virtualization: adding this module can provide more memory headroom for virtual machines, though the practical gain depends on the server’s total RAM, CPU, and memory configuration.
- Running a small business or office server for general-purpose workloads: in a supported system, adding memory can give the operating system and active services more room to run together; the result depends on whether memory was limiting the workload.
- Building or expanding a homelab server for self-hosted services and test environments: a compatible ProLiant system can use the added capacity to give lab workloads more memory headroom, subject to its supported DIMM layout.
- Replacing a failed or missing DIMM in a compatible HP server: using the supported memory type and following the server’s population rules can restore the intended installed capacity; confirm the exact system model and slot configuration first.
- Supporting a memory-demanding application or database on a compatible server: additional RAM can help when the workload is constrained by available memory, but it does not by itself guarantee faster queries or better application performance.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Server and workstation memory upgrades requiring a 16GB DDR4 ECC registered module |
| Capacity And Rank | 16GB module with a 2Rx4 rank configuration |
| Memory Type And Speed | DDR4-2133 memory, rated PC4-17000, with ECC and registered buffering |
| Timing And Voltage | CL15 latency at 1.20V |
| Brand And Chipset | A-Tech memory with a major-brand chipset and chips |














